RSVP_RESERVE_INFO

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct QOS_OBJECT_HDR
{
    public uint ObjectType;
    public uint ObjectLength;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct RSVP_RESERVE_INFO
{
    public QOS_OBJECT_HDR ObjectHdr;
    public uint Style;
    public uint ConfirmRequest;
    public IntPtr PolicyElementList;
    public uint NumFlowDesc;
    public IntPtr FlowDescList;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure QOS_OBJECT_HDR
    Public ObjectType As UInteger
    Public ObjectLength As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure RSVP_RESERVE_INFO
    Public ObjectHdr As QOS_OBJECT_HDR
    Public Style As UInteger
    Public ConfirmRequest As UInteger
    Public PolicyElementList As IntPtr
    Public NumFlowDesc As UInteger
    Public FlowDescList As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class QOS_OBJECT_HDR(ctypes.Structure):
    _fields_ = [
        ("ObjectType", wintypes.DWORD),
        ("ObjectLength", wintypes.DWORD),
    ]

class RSVP_RESERVE_INFO(ctypes.Structure):
    _fields_ = [
        ("ObjectHdr", QOS_OBJECT_HDR),
        ("Style", wintypes.DWORD),
        ("ConfirmRequest", wintypes.DWORD),
        ("PolicyElementList", ctypes.c_void_p),
        ("NumFlowDesc", wintypes.DWORD),
        ("FlowDescList", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct QOS_OBJECT_HDR {
    pub ObjectType: u32,
    pub ObjectLength: u32,
}

#[repr(C)]
pub struct RSVP_RESERVE_INFO {
    pub ObjectHdr: QOS_OBJECT_HDR,
    pub Style: u32,
    pub ConfirmRequest: u32,
    pub PolicyElementList: *mut core::ffi::c_void,
    pub NumFlowDesc: u32,
    pub FlowDescList: *mut core::ffi::c_void,
}

import "golang.org/x/sys/windows"

type QOS_OBJECT_HDR struct {
	ObjectType uint32
	ObjectLength uint32
}

type RSVP_RESERVE_INFO struct {
	ObjectHdr QOS_OBJECT_HDR
	Style uint32
	ConfirmRequest uint32
	PolicyElementList uintptr
	NumFlowDesc uint32
	FlowDescList uintptr
}

type
  QOS_OBJECT_HDR = record
    ObjectType: DWORD;
    ObjectLength: DWORD;
  end;

  RSVP_RESERVE_INFO = record
    ObjectHdr: QOS_OBJECT_HDR;
    Style: DWORD;
    ConfirmRequest: DWORD;
    PolicyElementList: Pointer;
    NumFlowDesc: DWORD;
    FlowDescList: Pointer;
  end;

const QOS_OBJECT_HDR = extern struct {
    ObjectType: u32,
    ObjectLength: u32,
};

const RSVP_RESERVE_INFO = extern struct {
    ObjectHdr: QOS_OBJECT_HDR,
    Style: u32,
    ConfirmRequest: u32,
    PolicyElementList: ?*anyopaque,
    NumFlowDesc: u32,
    FlowDescList: ?*anyopaque,
};

type
  QOS_OBJECT_HDR {.bycopy.} = object
    ObjectType: uint32
    ObjectLength: uint32

  RSVP_RESERVE_INFO {.bycopy.} = object
    ObjectHdr: QOS_OBJECT_HDR
    Style: uint32
    ConfirmRequest: uint32
    PolicyElementList: pointer
    NumFlowDesc: uint32
    FlowDescList: pointer

struct QOS_OBJECT_HDR
{
    uint ObjectType;
    uint ObjectLength;
}

struct RSVP_RESERVE_INFO
{
    QOS_OBJECT_HDR ObjectHdr;
    uint Style;
    uint ConfirmRequest;
    void* PolicyElementList;
    uint NumFlowDesc;
    void* FlowDescList;
}